| EVA接枝共聚物的合成及其降凝性能评价 |
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| 引用本文： | 刘立伟,向问陶,张 健,.EVA接枝共聚物的合成及其降凝性能评价[J].西南石油大学学报（社会科学版）,2011,32(6):143-147. |
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| 作者姓名： | 刘立伟 向问陶 张 健 |
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| 作者单位： | 1.中国石化胜利油田地质科学研究院，山东 东营 257015； 2.中国石油管道科技研究中心，河北 廊坊 065000；
3.西南石油大学化学化工学院，四川 成都 610500 |
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| 摘 要： | 结合大庆原油的物性特征，在降凝机理的指导下，以EVA与烷基马来酰亚胺接枝反应，合成了一类新型原油降凝剂。以目标物的降凝幅度为评价指标，优选出合适的合成条件：当EVA与十八烷基马来酰亚胺的物质的量的比为1∶20，引发剂过氧化二苯甲酰的量为2.5%，聚合时间为6h，聚合温度为90℃时，聚合物的降凝效果最好，即目标物加量为100mg/kg时凝点降低15℃。利用红外光谱仪对脂肪族胺、马来酸酐和十八烷基马来酰亚胺进行分析的结果表明：脂肪族胺与马来酸酐反应生成了十八烷基马来酰亚胺。利用核磁共振波谱仪对EVA及其接枝产物进行分析的结果表明：接枝反应确实存在，接枝率可以达到6.7%。
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| 关 键 词： | 大庆原油 降凝剂 EVA 接枝改性 合成 |
STUDY ON THE RHEOLOGY OF THE CRUDE OIL EMULSION OF BOHAI OILFIELD |
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| LIU Li-wei,XIANG Wen-tao,ZHANG Jian,.STUDY ON THE RHEOLOGY OF THE CRUDE OIL EMULSION OF BOHAI OILFIELD[J].Journal of Southwest Petroleum University(Social Sciences Edition),2011,32(6):143-147. |
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| Authors: | LIU Li-wei XIANG Wen-tao ZHANG Jian |
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| Institution: | 1.Geoscience Research Institute of Shengli Oilfield Company Limited,SINOPEC,Dongying Shandong 257015,China;2.Scientific and Technical Center of China Petroleum Pipeline Corporation,CNPC,Langfang Hebei 065000,China;3.School of Chemistry and Chemical Engineering,Southwest Petroleum University,Chengdu Sichuan 610500,China)JOURNAL OF SOUTHWEST PETROLEUM UNIVERSITY(SCIENCE & TECHNOLOGY EDITION)，VOL.31，NO.6,143-147,2009（ISSN 1674-5086，in Chinese |
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| Abstract: | The rheology of crude oil emulsion of Bohai Oilfield is studied.Experimental results indicate that the viscosity values of the emulsion system decreases with the increase of temperature，rises with the increase of water cut，and drops with the increase of shear rate and grows with the increase of concentration of polymers.Moreover，the emulsion system is non-Newtonian fluid at a low temperature (0～55℃) and high water cut (﹥40%),the emulsion system is Newtonian fluid at high temperature (55～70℃) and low water cut(﹤40%).The reverse phase point of crude oil in NO.1 platform is about 70%,and NO.2 is about 60%. |
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| Keywords: | Daqing crude oil pour point depressant(PPD) EVA graft modification synthesis |
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